.container,
.container * {
    margin: 0;
    padding: 0;
}

.container {
    width: 1200px;
    height: 310px;
    overflow: hidden;
    position: relative;
}

.slider {
    position: absolute;
}

.slider li {
    list-style: none;
    display: inline;
}

.slider img {
    width: 1200px;
    height: 310px;
    display: block;
}

.slider2 {
    width: 2000px;
}

.slider2 li {
    float: left;
}

.num {
    position: absolute;
    right: 5px;
    bottom: 5px;
}

.num li {
    float: left;
    width: 20px;
    height: 20px;
    overflow: hidden;
    font-size: 12px;
    cursor: pointer;
    background-color: #8c8c8c;
    margin-right: 10px;
    border-radius: 10px;
    font-family: "arial";
    color: #fff;
    line-height: 20px;
    text-align: center;
}

.num li.on {
    background-color: #ff2832;
}